.custom-breadcrumb {
  /* background: red; */
  background: var(--color-bg-2);
}

.custom-breadcrumb .ant-breadcrumb-link {
  /* color: var(--breadcrumb-text-color); */
  /* background: red; */
  background: var(--color-bg-2);
}

.custom-breadcrumb .ant-breadcrumb-separator {
  /* color: var(--breadcrumb-separator-color); */
  /* background: red; */
  background: var(--color-bg-2);
}

.layout-demo {
  height: 926px;
  /* color: white; */
  background: var(--color-bg-2);
  /* border: 1px solid var(--color-border);   */
}
.layout-demo :deep(.arco-layout-sider) .logo {
  height: 30px;
  margin: 12px 8px;
  background: var(--color-bg-2);
  /* background: rgba(255, 255, 255, 0.2); */
}
.layout-demo :deep(.arco-layout-sider-light) .logo {
  /* background: var(--color-fill-2); */
}

.layout-demo :deep(.arco-layout-header) {
  height: 64px;
  line-height: 64px;
  /* background: var(--color-bg-2); */
  /* background: var(--color-bg-3); */
}
.layout-demo :deep(.arco-layout-footer) {
  height: 48px;
  /* color: var(--color-text-2); */
  /* color: red; */
  font-weight: 400;
  font-size: 14px;
  line-height: 48px;
  /* background: var(--color-fill-1); */
  /* background: var(--color-bg-1); */
  background: var(--color-bg-2);
  /* background-color: brown; */
}
.layout-demo :deep(.arco-layout-content) {
  /* color: red; */
  font-weight: 400;
  font-size: 16px;
  background: var(--color-bg-2);
  /* background: var(--color-fill-1); */
  /* background: var(--color-bg-1);  */
}
.layout-demo :deep(.arco-layout-footer),
.layout-demo :deep(.arco-layout-content) {
  display: flex;
  flex-direction: column;
  justify-content: center;
  /* color: var(--color-white); */
  font-size: 16px;
  font-stretch: condensed;
  text-align: center;
  background: var(--color-bg-2);
  /* background: red; */
  /* transition: background; */
}

/* 定义基础的 header 样式 */
.header21 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  height: 45px; /* 增加高度 */
  transition: background; /* 添加过渡效果 */
  /* transition: background 0.3s ease; */
}

/* 定义深色背景的样式 */
.dark-background {
  color: white;
  background-color: #000000;
}

/* 定义浅色背景的样式 */
.light-background {
  color: #000000;
  /* background-color: white;   */
}

.dark-background :deep(.arco-layout-header) {
  color: white;
  background-color: #4a494c;
}

.light-background :deep(.arco-layout-header) {
  background-color: #d8dad9;
}
